package com.zhss.demo.concurrent;

import java.util.concurrent.ConcurrentHashMap;

public class ConcurrentHashMapDemo {

    public static void main(String[] args) {
        ConcurrentHashMap<String, String> map = new ConcurrentHashMap<>();
        map.put("K1","V1");
        System.out.println(map.get("K1"));
    }
}
